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IT Essentials I Chapter 1

A tower case conserves space since it can double as a monitor stand.
False
An Ethernet port has a connector called an RJ-45 to connect to a network cable.
True
Functions that used to be provided by expansion cards are more often found as onboard ports today.
True
Hard drives have three connections for cables: one for reading data, one for writing data, and one for power.
False
What type of port transmits both digital audio and digital video with a single connector?
HDMI
What audio port connects to an external home theater audio system, providing digital audio output?
S/PDIF
Which statement is NOT true regarding motherboards?
Has a heat sink on the PCle Slots
What component is most likely to be installed in a PC, is considered primary storage, and typically stores the operating system, as well as its applications?
Hard Disk Drives
What is the component that usually has a dual-voltage selector switch and has cables that connect to the motherboard and drives called?
PSU
What statement about an FRU is true?
a support technician should know how to replace one.
What acronym is another name for static electricity, which can damage chips and destroy motherboards?
ESD
What tool can help discover and report computer errors and conflicts that occur when you first turn on a computer and before the operating system is launched?
POST card
What general-purpose tool can measure characteristics of electricity in a variety of devices?
multimeter
Programs and data that are stored on a motherboard are referred to by what term?
firmware
What is the name for the type of flash memory that is used by mobile devices to store their apps and data?
solid state device
What is the most common pointing device on laptops?
a touch pad
In a cellular network, each cell is controlled by a tower. What are these towers called?
base stations
A micro-ATX motherboard will fit into a case that follows what minimum standard?
ATX 2.1
How many pins are used in a parallel port, also known as an LPT port?
25
What type of port is sometimes used by routers for management and configuration purposes?
DB9 port
What two different types of firmware may be used on motherboards?
BIOS
UEFI
What are the two most common form factors used today for computer cases, power supplies, and motherboards?
ATX
mATX
What are two different ways by which a laptop could utilize the cellular network connection of a mobile device?
Hotspot
Tethering
SO-DIMM
a smaller type of memory slot typically used for laptop
POST
a series of tests performed by the startup UEFI/BIOS when you first turn on a computer
Heat Sink
draws heat from the CPU and pipes it to a fan, which then blows heat out of the case
DisplayPort
transmits digital video and audio and is slowly replacing VGA and DVI
DIMM
a type of memory slot found on a motherboard
Micro-ATX
reduces the total cost of a system by reducing the number of expansion slots on the motherboard, reducing the power supplied to the board, and allowing for a smaller case size
Airplane Mode
a computer is said to be in this mode when all wireless technologies are turned off
Bluetooth
-a short-range wireless technology used to connect two devices in a small personal network
Central Processing Unit (CPU
also called the processor, or microprocessor, does most of the processing of data and instructions for the entire system
PCle
a slot used for expansion cards or video cards on a motherboard

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